Corwinnn, Donut Mind Me

Corwinnn, Donut Mind Me can't be played unless you see a donut, a cup of coffee, or a christmas gift in view of the gaming area.
Whenever Corwinnn attacks or blocks, create a colorless artifact Donut token with "Sacrifice this Donut: Add your choice of {c} to your mana pool or you get {e}{e} counters."